| precursor |
In biological processes, a substance from which another, usually more active or mature substance is formed. For example: since the amino acid phenylalanine is turned into tyrosine, phenylalanine is a precursor of tyrosine. In clinical medicine, a sign or symptom that heralds another.
출처: www.agingadvantage.com/glossary.html
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| precursor |
Any compound capable of being converted into a vitamin by the body.
출처: www.fitness-web.com/articles/vitamins/glossary/
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| precursor |
For carbon fibers, the rayon, PAN or pitch fibers from which carbon fibers are made. Preform
출처: www.acmanet.org/pic/products/glossary.htm
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| precursor |
A module, the study hours of which a student shall be required to have completed in order to proceed to a subsequent specified module or modules, but for which credit may not necessarily have been awarded.
출처: www.keele.ac.uk/depts/aa/regulationshandbook/secti...
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| precursor |
Any chemical reactant which takes part at any stage in the production by whatever method of a toxic chemical.
출처: dtirp.dtra.mil/tic/CWC/cw_glsry.htm
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